The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 09, 1993
Filed:
May. 03, 1991
Applicant:
Inventor:
William A Valka, Spring, TX (US);
Assignee:
FMC Corporation, Chicago, IL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166345 ; 166217 ; 166237 ; 166359 ; 285141 ;
Abstract
A subsea wellhead tieback connector actuated solely by axial motion to achieve connection to and disconnection from the wellhead. The connector includes interconnected inner and outer bodies, a split lock ring surrounding the inner body, and an energizing mandrel for non-rotary axial movement to expand the lock ring into engagement with a wellhead component.